[Protection against occupational deafness; role of vitamin A].
D006311:Hearing Disorders; D006317:Hearing Loss, Noise-Induced; D009784:Occupational Diseases; D014801:Vitamin A / Q000627:therapeutic use*
D014801:Vitamin A
HEARING DISORDERS; VITAMIN A/therapeutic use
Protection contre la surdité professionnell; r1ole de la vitamine A.